查询词典 fertilizer efficiency

Will adopt the form of inferior and provisional tax rate 2009, reduce the productivity raw material with partial home bigger demand to import custom duty appropriately, continue to carry out partial rolled steel cancels to export custom duty since December 1, 2008, adjust the chemical fertilizer such as urea exit is seasonal the policy of custom duty, the tax rate of special export custom duty that lowers partial chemical fertilizer and its raw material at the same time.

另一方面，根据国内市场供需变化情况，取消豆饼、猪肉、印楝油的进口暂定税率，恢复为最惠国税率。同时，为保障国内农业生产用肥的需要，继续对尿素、磷酸氢二铵等化肥出口征收季节性出口关税，继续对复合肥等部分化肥及其原料征收特别出口关税。二是支持高新技术发展，鼓励企业自主创新，推动产业结构升级，促进振兴国内装备制造业。

The results showed that 0.12% and 0.18% concentration of foliar fertilizer of nitrogen fertilizer in improving Philodendron andreanum ornamental value and commodity value has a good effect.

结果表明，0.12%和0.18%浓度的氮肥叶面喷施对提高喜林芋观赏价值和商品价值具有良好的作用。

In this study, Philodendron andreanum leaves become yellow and green in winter, Ornamental Value reduced as background, Study of foliar fertilizer of nitrogen fertilizer on the growth of new leaves and Ornamental leaves changes in leaf chlorophyll content and Electrolyte leakage.

佘波1，刘瑞霞1，张吉立21山西林业职业技术学院，太原030009；2大庆职业学院黑龙江大庆163255本试验以喜林芋越冬中叶片变黄绿，观赏价值降低为背景，研究叶面喷施氮肥对新生叶片生长以及观赏叶片叶绿素含量变化，电导率变化情况。

Placation organic fertilizer in soil significantly increased content of available phosphorus, and that of PMSW(P-enriched MSW fertilizer treatment) treatment was higher than others.

在植物生育(来源：ABce7cC论文网www.abclunwen.com)期内，无机磷的Ca_(2-)P，Ca_(8-)P，Al-P 的含量明显降低，并且两种供试作物作物的趋势相同。

By Visual Basic 6.0 program, taken the distance between hole 200mm and buried depth 120～150mm as the optimization goal, the most optimum parameters range of the mechanism was obtained as follows: the initial angle between planet frame and the line formed from spraying-fertilizer needle-tip and planet wheel axle was -45°～-40°, the initial angular displacement of planet frame was 40°～50°, the distance between spraying-fertilizer needle-tip and the planetary gear axle center was 280～300mm, simultaneously, the semi-major axis of elliptic gear was 29.364mm, the teeth quantity was 23, the ratio of semi-minor axes and semi-major axis was 0.958, the radius of circular gear was 25mm.

对该机构进行运动学分析，建立了数学模型，以穴距200mm和入土深度120～150mm为寻优目标，应用Visual Basic 6.0软件编程得出满足机构运动要求的最优参数范围为：喷肥针尖和行星轮轴连线与行星架的初始夹角-45°～-40°、行星架初始角位移40°～50°、喷肥针尖与行星轮轴心距离280～300mm，此时椭圆齿轮长半轴29.364mm、齿数23、短半轴与长半轴比0.958，正圆齿轮半径25mm。

Based on the water and fertilizer coupling experiment in corn field,one-dimensional soil moisture content model containing the water uptake corn roots is used in this paper to simulate the evapotranspiration and the water uptake of corn roots and the change of soil pondage and soil moisture budget under the different water and fertilizer coupling conditions in corn field.

结果表明：在玉米生长初期以棵间蒸发为主，其后则是以植株蒸腾为主；玉米在30～40 cm土层吸水速率达到最大值；玉米灌水量为田间持水量的70%与85%对土壤0～80 cm土层贮水量的贡献是相等的，并且高肥力在一定程度上可增强根系的吸水能力，高灌水可增强玉米根系对养分的吸收利用，但对于提高水肥利用率来说，理想的处理为中肥中水。

The synthesis of potash fertilizer from desiliconization slag and potassium carbonate,and the dissolution rate of potassium from potash fertilizer different conditions were studied.

以铁水脱硅渣和碳酸钾为原料合成钾肥，利用X射线衍射对钾肥试样的结晶性能进行了分析，并在水和柠檬酸溶液中分别测定了合成钾肥中钾元素的溶出率。

in filed test with randomized block design, with muskmelon variety Chunli as tested material, 5 fertilizer treatments were designed to investigate the effects of organic fertilizer on the agronomy characters, biomass, economic yields and quality of muskmelon.

方法］以甜瓜品种"春丽"为研究材料，设5个施肥处理，随机区组排列，研究有机肥对甜瓜农艺性状、生物产量、经济产量与品质的影响。

This paper aims to find out the nutrition characteristics and fertilizer absorption rule of Castor in arid red soil districts under the subtropical climate of Yunnan province, and establish a corresponding fertilizing technology under the condition. It choose the variety TCO-202 of Castor (Ricinus communis L.) as test material to observe and record the dry matter accumulation of each organ as root, stem, foliage and inflorescence, which are in the five critical growth stages as seedling stage、 bud stage、 blooming stage、 filling stage、 maturation stage of Castor {Ricinus communis L. respectively, and measure out the fertilizer absorption amount of nitrogen, phosphorus and potassium.

本文以云南北亚热带气候下的红壤旱地为试验条件，选用蓖麻品种TCO-202为试验材料，通过对苗期、现蕾期、开花期、灌浆期、成熟期五个蓖麻生长关键时期根、茎、叶、花序各器官的干物质积累和氮、磷、钾吸肥量的测定，研究云南红壤上蓖麻的营养特性和吸肥规律；依据蓖麻的营养特性和吸肥规律，结合云南红壤氮、磷、钾的含量与利用效率，制定适合云南红壤上蓖麻栽培的施肥技术研究方案。

The results show that the sand loam base on the grass,nitrogen fertilizer than mixed phosphate compound fertilizer production facilities or significant.

试验结果表明，沙壤土碱草地上，施氮肥比施氮磷肥混施或施复合肥增产效果显著。

These are places without aristocratic baggage; egalitarian places open to talent, self-improving, engaged in learning and innovation through networks that were at once competitive and cooperative.

这些地方没有贵族遗风作祟，而且对于那些有天分的人是开放的平等之地，这些人善于通过那些曾经很具有竞争力与合作精神的关系网进行自我提高以及学习创新。

Christine: You don't want to see me?

你不想见我？